In this guide, I will share with you a walkthrough of Requiem of the Echoing Depths Archon quest, which includes the grave of the Guarded, memories of Inteyvat, and the Black Serpent Knights Glory.
Requiem of the Echoing Depths
Teleport to Stony Hall’s south waypoint and head north.
Investigate the ruins ahead and find a path
Defeat the Black Serpent Knights
Defeat 2 black serpent knights after talking with Dainsleif.
Talk to Dainsleif
Talk to Dainsleif again and head northeast towards the entrance of the ruins.
Go to the lit room in the ruins
Head southwest and go to the lit room in the ruins.
Defeat the Black Serpent Knights
Defeat 2 black serpent Knights in the lit room and climb up to the higher platform.
Continue investigating the ruins
Examine what the Black Serpent Knights were protecting
Defeat 3 black serpent knights and investigate the hilichurls at the corner.
Go to the chamber at the center of the ruins’ summit
Head northwest towards the chamber at the center of the ruins’ summit.
You can activate the upside down waypoint with a wind catcher gadget or Venti’s hold elemental skill.
Head south from the waypoint.
Head west toward the quest location with the help of the quest navigator.
Head southeast, go up to the higher platform, and glide to the other side.
Participate in conversation
After talking to Dainsleif, head northeast.
Memories of Inteyvat
You will receive the achievement – The Beautiful and Damned after completing the grave of the guarded quest.
Go along the path that Halfdan has indicated
Head north along the path that Halfdan has indicated. Drop down from the gap towards the quest location.
Follow the path and continue exploring
Go further north with the help of the quest navigator until you reach the hilichurl camp.
Participate in conversation
Head to the hilichurl camp
Look for clues in the hilichurl camp
Interact with all 4 glowing lights at the hilichurl camp to complete the quest.
Leave the hilichurl camp
Leave the hilichurl camp by heading south.
Defeat the Abyss Herald
Defeat the abyss herald to complete the quest – Memories of Inteyvat and you will receive the achievement – The will to live and the Depths of Lamentation.
Talk to Dainsleif
The Black Serpent Knights’ Glory
If you’ve unlocked the upside-down waypoint, teleport to that waypoint. Else, teleport to stony halls south waypoint and head northwest.
Go back to the chamber at the center of the ruins’ summit.
Defeat the electro-abyss lector and talk to Dainsleif again.
Destroy all the charging devices (1/4)
Teleport to the charging device by touching the abyss portal.
Defeat two abyss mages beside the charging device and destroy it with a normal attack.
Destroy all the charging devices (2/4)
Defeat the abyss mages near all 3 other charging devices and destroy the charging devices for the other 3 sides.
Destroy all the charging devices (3/4)
Destroy all the charging devices (4/4)
Reach Halfdan
After destroying all 4 charging devices, go back to the chamber at the center of the ruins’ summit.
After the dialogue and cutscenes, your archon quest will be completed.